From: "Michael S. Tsirkin" <mst@redhat.com>
To: Mike Galbraith <efault@gmx.de>
Cc: Christoph Hellwig <hch@lst.de>,
Thorsten Leemhuis <linux@leemhuis.info>,
virtio-dev@lists.oasis-open.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
rjones@redhat.com
Subject: Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")
Date: Tue, 4 Apr 2017 16:38:03 +0300 [thread overview]
Message-ID: <20170404163725-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <1491278572.5198.28.camel@gmx.de>
On Tue, Apr 04, 2017 at 06:02:52AM +0200, Mike Galbraith wrote:
> On Mon, 2017-04-03 at 21:11 +0300, Michael S. Tsirkin wrote:
> > On Mon, Apr 03, 2017 at 07:56:32PM +0200, Mike Galbraith wrote:
> > > On Mon, 2017-04-03 at 16:18 +0200, Christoph Hellwig wrote:
> > > > Mike,
> > > >
> > > > can you try the patch below?
> > >
> > > No more spinning kworker woes, but I still have a warning on hibernate,
> > > threadirqs invariant. I'm also seeing intermittent post hibernate hang
> > > funnies in virgin source +- this patch, and without threadirqs.
> > >
> > > [ 110.223953] WARNING: CPU: 5 PID: 452 at drivers/pci/msi.c:1261 pci_irq_vector+0xb1/0xe0
> > >
> > > > > -Mike
> >
> > I just sent a patch fixing that.
> > However I think we want to print a message when MSI fails to work so we
> > know guest is falling back on legacy interrupts.
>
> The warning persists.
>
> [ 137.656423] WARNING: CPU: 1 PID: 535 at drivers/pci/msi.c:1261 pci_irq_vector+0xb1/0xe0
Can you post the rest of the backtrace? Is it still in the console?
> WRT the post hibernate hang business, that is apparently not part of
> the 4.11 woes (at least not solely), as 4.10.8 did not survive a 10
> hibernate cycle loop. RT is better at reproducing trouble (shrug, it
> frequently is), but it matters not whether I'm running 4.10, master or
> master-rt, they will all hang.
>
> WRT gripe, I wedged virtio_pci-fix-msix-vector-tracking-on-cleanup in
> on top, but it wasn't impressed.
>
> -Mike
next prev parent reply other threads:[~2017-04-04 13:38 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-23 14:51 Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues") Thorsten Leemhuis
2017-03-23 14:56 ` Christoph Hellwig
2017-03-23 14:59 ` Richard W.M. Jones
2017-03-23 15:01 ` Thorsten Leemhuis
2017-03-23 15:19 ` Richard W.M. Jones
2017-03-27 9:07 ` Mike Galbraith
2017-03-27 17:05 ` Christoph Hellwig
2017-03-27 18:16 ` Michael S. Tsirkin
2017-03-28 1:08 ` Mike Galbraith
2017-03-28 2:35 ` Michael S. Tsirkin
2017-03-28 3:16 ` Mike Galbraith
2017-03-28 15:37 ` Michael S. Tsirkin
2017-03-28 16:33 ` Mike Galbraith
2017-03-28 17:27 ` Michael S. Tsirkin
2017-03-28 17:47 ` Mike Galbraith
2017-03-27 18:18 ` Mike Galbraith
2017-03-29 6:23 ` Mike Galbraith
2017-03-29 20:10 ` Michael S. Tsirkin
2017-03-30 3:10 ` Mike Galbraith
2017-03-30 7:20 ` Mike Galbraith
[not found] ` <20170331041959-mutt-send-email-mst@kernel.org>
2017-03-31 3:22 ` Michael S. Tsirkin
2017-03-31 8:20 ` Christoph Hellwig
2017-03-31 16:47 ` Michael S. Tsirkin
2017-04-03 14:18 ` Christoph Hellwig
2017-04-03 15:49 ` Michael S. Tsirkin
2017-04-03 16:14 ` Michael S. Tsirkin
2017-04-05 6:36 ` Christoph Hellwig
2017-04-03 17:56 ` Mike Galbraith
2017-04-03 18:11 ` Michael S. Tsirkin
2017-04-04 4:02 ` Mike Galbraith
2017-04-04 13:38 ` Michael S. Tsirkin [this message]
2017-04-04 14:18 ` Mike Galbraith
2017-04-04 14:24 ` Michael S. Tsirkin
2017-04-04 15:30 ` Michael S. Tsirkin
2017-04-04 17:40 ` Mike Galbraith
2017-04-04 17:54 ` Mike Galbraith
2017-04-04 18:00 ` Michael S. Tsirkin
2017-04-04 18:38 ` Mike Galbraith
2017-04-04 21:31 ` Michael S. Tsirkin
2017-04-05 2:54 ` Mike Galbraith
2017-04-04 19:03 ` Michael S. Tsirkin
2017-04-05 3:09 ` Mike Galbraith
2017-04-05 3:13 ` Michael S. Tsirkin
2017-04-05 3:24 ` Mike Galbraith
2017-04-05 3:40 ` Mike Galbraith
2017-04-05 3:51 ` Michael S. Tsirkin
2017-04-05 4:24 ` Mike Galbraith
2017-04-05 6:29 ` Christoph Hellwig
2017-04-05 6:51 ` Mike Galbraith
2017-04-05 21:38 ` Michael S. Tsirkin
2017-04-07 6:03 ` Mike Galbraith
2017-04-07 6:24 ` Michael S. Tsirkin
2017-04-07 6:44 ` Mike Galbraith
2017-04-07 7:05 ` Mike Galbraith
2017-04-07 7:22 ` Mike Galbraith
2017-04-07 7:23 ` Mike Galbraith
2017-04-07 13:20 ` Michael S. Tsirkin
2017-04-07 13:35 ` Michael S. Tsirkin
2017-04-07 14:29 ` Mike Galbraith
2017-04-07 18:56 ` Michael S. Tsirkin
2017-04-08 5:01 ` Mike Galbraith
2017-04-10 21:23 ` Michael S. Tsirkin
2017-04-11 4:19 ` Mike Galbraith
2017-04-05 3:52 ` Michael S. Tsirkin
2017-04-07 21:35 ` [Random guest crashes since 5c34d002dcc7 ("virtio_pci] 3313bedd74: WARNING:at_include/linux/pci.h:#vp_del_vqs kernel test robot
2017-03-29 20:19 ` Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues") Michael S. Tsirkin
2017-03-30 3:54 ` Mike Galbraith
2017-03-28 1:01 ` Mike Galbraith
2017-03-23 14:59 ` Richard W.M. Jones
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